Web renewing mechanism



Oct. 29, 1935. H, DURHAM 2,018,842

WEB RENEWING MECHANI SM Filed Oct. 21, 1951 4 Sheets-Sheet l TOR H. N. DURHAM 2,018,842

WEB RENEWING MECHA NISM Filed Oct. 21, 1931 4 Sheets-Sheet 2 Oct. 29, 1935. H, N DURHAM 2,018,842

WEB 'RENEWING MECHANI SM Filed Oct. 21, 1931 4 Sheets-Sheet '3 0d. 29, 1935. DURHAM 2,018,842

WEB RENEWING MEGHANI SM Filed Oct. 21, 1931 4 Sheets-Sheet 4 M m 7; 8 T; /04 m0 ms 99 97 M I l J El i? 8 I wi 95 WW I W W i ATTO R N Patented Oct. 19s

I UNITED STATES ems-s42 WEB BENEWING MECHANlSM Hobart N. Durham, Jackson Heights, N. Y., aa-

signol'to TheGoss Chicago,lll.,a

Press Company,

Application October 21, 1931; Serial No. 570,086

Claims.-

The present invention relates to web renewing mechanism and more particularly to a novel and improved mechanism for making flying posters.

Objects and advantages of the invention will be set forth in-part' hereinafter and in part will be obvious herefrom, or may be learned by practice with the invention, the same being realized and attained by means of the instrumentalities and combinations pointed out in the appended claims.

The invention consists in the novel parts, constructions, arrangements, combinations and improvements herein shown and described.

The accompanying drawings, referred to herein and constituting a part hereof, illustrate embodiments of the invention, and together with the description, serve to explain the principles of the invention.

of the drawings:

Figure 1 is a diagrammatic side elevation of the present preferred and illustrative embodiment of the invention.

Figure 2 is a detailed horizontal section showing the synchronizing mechanism employed in connection with the present invention and forming a part thereof.

Figure 3 is a vertical section taken on the line 3-3 of Fi e 2.

Figure 4 is a diagrammatic side elevation of a modified embodiment of the present invention.

Figure 5 is a iragm nta detailed vertical section taken on the line 5-4 of Figure 4.

Figure 6 is a plan view of the synchronizing mechanism in accordance with a further modiflcation of the invention, the cover being removed; l'igure'lisaverticalseetiontakenontheline 1-1 of Fig. 6', and

Figure 8 is a diagrammatic side elevation of the mechanism shown-in Figures 6 and '1.

' The present invention has for its object the provision of a novel and improved web renewing mechanism particularly adapted for making a flying pastor as the web of paper supplied to a newspaper printing press is running at a high speed. Another object is the provision of a means for accurately and exactly syn the rotationaljmovement or a reserve web roll with the running web Another object is the provision of automatic syncmnizing mechanism whereby roll and reserve web roll are brought to the same peripheral speed and are maintained in synchronism until the paster is made. 1

A fur er object is the provision of a syn- 5 chronizing mechanism for the described asitisfedtotheprintingpress.

the'running web,

which will guide an operator in bringing the reserve web roll up to the speed of the running web. Another object is the provision of driving means fdr the reserve web roll controlled by the relative peripheral speed of the web rolls. Still another object is the provision of a novel and improved reserve web roll driving means.

In accordance with the present invention, motor means are provided for initiating the rotation of a reserve web roll and bringing it up to the same peripheral speed as the running web roll so that when the reserve web is joined to the running web no undue strain will be placed on either web and faulty pasters will be eliminated. Means are also provided for controlling the speed of the reserve web roll driving means so that substantially exact synchronism can be attained with the running web, the controlling means being operated bythe relative speed of the web rolls. Means may also be provided for permitting the operator to control the speed of the reserve web roll in accordance with an indication on the relative speed of the web roll, and other means are provided for automatically connecting the reserve web roll driving means with the reserve moved into pasting position.

It will be understood that the foregoing general description and the following detailed description as well are exemplary and explanatory of the invention but are not restricted thereon. Referring now in detail to the present preferred and illustrative embodiment of the invention, as illustrated in Figures 1, 2 and 3 of the accomdrawings the web roll supporting means comprises a conventionalform of magazine reel in which the running web roll and reserve web roll or rolls are rotata ly manor-ted and bywhich successive web rolls may be broughtinin pasting, and then running, position. As embodied, a pair of multl-armed web roll supporting members I are spaced apart to receive the rotatable web rolls A, B and C between them, and the supporting members I are rotatably mounted on side frames 2 by means of shaft 3. The details of this mechanism, including the web tensioning devices,, sideregistering devices and reel arm rotating mechanism are not shown as they form no part of the present invention.

' its shown. web roll in running position;

A is the running roll and is web roll 13 is a reserve web ;andweb rollCisaspare will be successively moved into pasting. and then running. position by clockwise (Figure 1) rotation of the web roll supporting arms.

Heansareprovidedforbrlngingthereserve other end, shaft 2d the speed of the web so 1 speed will be the some as g wel roll A. As embodied, electric motors G are mounted on the of the web roll shafts or chucl: spindles 5, are directly coupled thereto so the motor drives the reserve web roll, graduahv accelerating the web roll until it reaches the necessary speed. These motors preferably small series motors which are susceptible oi. being overloaded to a considerable extent and will finally attain a speed considerably in excess of that required for syn= chronism of the running and reserve rolls.

Means are provided for connecting the motor for the reserve vveb roll B with a source or power, and the motor leads are permanently connected with concentric rings l mounted on an insulating base which is movable with the reel shaft 3, each being divided into a plurality of segments, one for each web roll. Suitable brushes 6 are provided to contact with the segments of the rings 2 corresponding to the reserve web roll, and as each roll is brought into position, the corresponding segments of the rings are automatic lly connected th the brushes to supply motor with current, from mains to through inmual switch it.

in accordance with the present invention, syn chi'oniaing means are provided for controlling the rotation the reserve web roll by the relative peripheral speed of the web rolls and finally maintaining it rotation at the same peripheral speed rimming web roll A. As embodied, the running web [12, which is being led to the printing press or other web consuming machine, is passed over a guide roller l and rotates this roller. A second roller or disc M is provided and may it. sllOVGd into contact the periphery of the reserve roll B in pasting position to be driven thereby; All one end roller 03 is provided with a bevel gear i5 meshing with bevel gear i6 mounted on ll projecting from the hous= ing ill and drives one side of. the differential gear ing. Roller i l also carries a bevel gear till mesh= with a bevel gear [19 on shaft 2i and drives other side oi the differential in a reverse direction.

The di ferential gearing comprises shaft 26 rotatably journalled in end bearings carried by the housing ill, and near one end carries a loose sleeve 28 to which is fixed a bevel gear 277 driven from shaft ill by bevel gear At its carries a similar sleeve 29 to which is fixed a bevel gear 36 driven from shalt ill by bevel gear ti. Near their inner ends, sleeves 26 and 29 have fixed thereto the dineren tial gears 32 and it, which mesh with the ierential pinions 3t. Diiierential pinions 34 are rotatably and revolubly mounted by means of the stub shafts 3t, projecting from the hub til fast on'shait it, and are held in mesh with the difierential gears by means of the yoke 38, freely rotatable on sleeve ill). it supporting arm Ill for roller i4 and its driven shaft ii, is mounted on sleeve 28 on which it is loosely iournalled, and projects through e. circumferential slot It in housing It.

The gear ratio oi the various gears employed in the differential gearing and the driving means therefor are such that when-the peripheral speeds of the rotating web rolls are equal. or the speed of the running web is the same as that of the surface of the reserve web roll, the differential gears 32 and 33 are driven in reverse directions atequel speeds and the diflerential pinions 34 rotate solace-o about their own 5 without rotating the main differential shat ll Ieans are provided i J indicating laclr of synchronisrn between the web rolls, and an indicating pointer is provided which is stationary when there is no difference in peripheral speed between the reserve web roll and the running web roll. ibis pointer rotates in one direction when the reserve web roll 18 is rotating too slowly and moves in the opposite direction when the reserve web roll is rotating too fast, the speed of movement of the pointer being proportional to the difference in speed between the web rolls. Pointer to is fixedly mounted at one end of shaft it, exteriorly oi" the differential housing, and moves in accordance with the planetary, but not rotational, movement of the diherential pinions. By observing -the movements of the pointer, the operator can judge the relative speeds of the web rolls, with. high degree of accuracy can determine \vh ther they are suidciently synchronized to matte the ldeans are also preferably provided f "ti'ol or governing the speed at which to reserve web rolls is driven and for automatically chronizing it with the running web, and for this purpose an automatically varied rheostat is pro vided in motor circuit, with means for varythe resistance automatically in accordance with relative web speeds. As embodied, a rheostat harrie its resistance taps arranged in circular iorni mounted on one end of the c gearing i8, concentric with the main 2 3, and rheostat contact arin do mounted on the main difierential sh ,i means of the insula ing collar ti l p en fixed collars A spring p ember 56 is prov" ed on collar a against shaft 26 to 'ovide friction i from the leans are provided oi the rheostat arm are mounted at taps and o. W, preventing the he moved beyond the ends of the seres. the pinions Eli are revolving, the rheostat arm $53 is moved until it contacts with one or the other oi stops ill", at which time the arm stopped while shaft TM continues to rotate due to the One end of the rheostat resistance is connected to one of the brushes while a roller to is pro vided mounted on resilient arm ill to contact with a circular conducting portion 62 of rheostat arm 53, and forms the other rheostat connection.

Means are provided for moving the driven roller it out of the path or the web rolls to permit new reserve rolls totbe moved into pasting position, and a cord 64 is provided for raising the roller and arm 40 during the rotation of the web supporting arms.

Suitable means are also provided for contacting the running web with the pasted lead end of the reserve web roll, and as embodied, a freely rotatable roller 65, having a relatively thick sponge rubber covering 66 to give it great resi1- iency, is mounted in pivoted arms 67 and can be moved to deflect the running web l 2 from its norincl path and press itinto contact with the reserve friction clutch 56L rotated to bring the roll B into running position.

The operation of the above described embodiment may be summarized'as follows:

With the web rolls in the position shown in Figure 1 of the drawings, the operator closes the main switch Ii at some time prior to the exhaustion of the nmning web roll A. Roller I4 is lowered intocontact with the reserve web roll B, and roller I3 is being driven at web speed by running web it, Roller I3 is being driven much more rapidly than roller ll, thereby rotating shaft. in a clockwise direction (Figin'es l and 3) and cutting out all the resistance in the rheostat. This supplies reserve web roll motor I with current at the full voltage and it quickly brings the web roll B to the speed of the running web.

As the peripheral speed of the web roll B becomes greater than that of the running web it. resistance is gradually cut into the motor circult, reducing the motor torque until it is just suflicient to overcome the friction of rotating the web roll B. Finally. rheostat arm 53 remains stationary at this equilibrium point and motor continues to drive web roll B, keeping it rotating:

' at the same speed as the running web, until the operator opens main switch ii after completion of the paster.

In case the press is slowed down or web roll E otherwise attains a speed greater than that of the running web, roller It will be driven faster than roller l3, and rheostat arm 53 will be movedv in a counter-clockwise direction to reduce the speed of the motor torque by cutting in additional resistance.

In accordance with a modified embodimentoff the invention shown in Figures 4 and 5, an op tionally usable variable resistance is placed in the motor circuit and may be used in case or failure of the main rheostat, or in matically varied rheostat, and a single motor is employed to initiate rotation of the reserve "roll. and bring it up to the speed of the running web.

In accordance with .this modification, the synchronizing means may be identical with that: previously described, as may be the web roll. supporting means.

The manually variable resistance 10,. which may be employed in place of the'diflerential con trolled rheostat, is connected in parallel with the differential controlled rheostat 52, 53 and these rheostats are alternatively placed in series in the motor circuit by means of the manually operated. double-throw single-pole switch 1 i. The reserve roll driving motor 12, is connected to the mains ll throughzthe main switch I3 and manually variable resistance 10, or automatic rheostat 52, 58.

For bringing the reserve web roll up to the running web and for maintainin that speed until the paster is made, a smali roller I5 having a thick soft resilient covering or sponge rubber or other suitable material is provided. Roller 15 is revolubly mounted on eccentric sleeve I6 which is loosely Journalled at one end of the shaft 3, the eccentric mounting of roller being suiilcient to normally press the to e: surface into ilrm contact with the under surface of the reserve web roll as the reserve web rol'i moved to pasting position. Formed mtegraliy with roller I5 is a bevel gear 11, meshing with bevel pinion 18. At one end, sleeve 16 is provided with a retaining plate and pinion support 19 in which and floor bracket 80 is journalled shaft 8E driven by motor 12 through gearing l2. Shaft ii in conjunction with plate 19 serves to hold eccenme sleeve 18 against rotation.

and supported by the spindles.

place of the auto-- '5'! by means of a spring m the embodiment shown in Figures 4 and 5, the spindles supporting the exhausted web roll A are moved to permit the removal of the roll 4 immediately after the paster has been made and the exhausted web has been severed from the 5 exhausted roll. When this core has been removed, the empty spindles will clear the sleeve ti, the arms I may be rotated to their new position and the new reserve roll may be put in place In the operation of this embodiment, the operator closes the main switch 13 prior to the expiration of the running web i2 and allows motor I2 to drive the reserve roll B bringing it to the speed of the running web. In case the automatic differential is not employed, the operator cuts out the resistance In, and allows the reserve web roll to be driven until it comes nearly to the speed of the running web. He then. cuts in resistance, gradually varying this resistance the pointer Bil remains at rest, showing exact syn chronism between the web and reserveroil. The paster roller 5%": may then be presses; to contact the running web. with the reserve wet roll, the old running wes severed, and. roll; supporting arms are rotate: to bring roll int." pasting posit-ion automa" tact with propeller. roii In accordance wit'r in Figures '5 and c'rnonizing: mechanisii mechanical meamz nuns and reserve web..i.

embodied, a roller manning: web it. while rolls. tic-rial contact with t'zi web roll B. These rollers are enc'l'with. a disc St. St, each ducting portion ttto conmc gap between. their respec closing their respective smcuits once eat.-. mtion of each roller. The synchronizing meet cation is generally similar. scribed, except that gear ratchet wheels 55 311*; are rotated step by step the movement of their r pec'five adjacent to the ratchet .ee'a 95 is transversely-extending rt. ida;bie in sleeve 9! and held against rotor" screw its projecting into keyway its. othe d is connected to the at were with solenoid illll. Pawl P mounted on. presses it into :z: engagement with the 0i st-chat as and spring in is provided. between the solenoid; ans armature head for moving the till idle movement. Means .se proidciec'i for: varying the length oi stroke the pawl. Kit, to vary the feed of the ratchet et each time the solenoid. it is energized! and fir):- this purpose a stop is provided comprisinga eve i835 extend ling inwardly into the solenoid against w'ii-tieb. the annature 98 is moved. 7

A similar actuating provided for the ratchet 98 and comprises a pawl it i mounted on slidable rod 81' by means 072 spring Hi2. and moved by solenoid it! against the tension. of spring as, the extent movement of the pawl being determined by the setting or screw EM.

Solenoid Ill is energized on closure of the brushes ill by rotation of roller it, while solenoid ill is similarly energized on rotation of roller II. when the reserve web and running web are peripheral speed of 95 and at will be driven in opposite directions ut equal speeds and short 261, as well as the indicator 5!] and rhecstat 22mm 53 driven thereby, will re= main stationary. When the webs are not trovelling at the some speed, one of the ratchet wheels will be driven roster then the other, there= by causing a corresponding movement of the pointer and iheostat arm. Switches illl are pro= vided in the solenoid circuits by which the sole= noids ore silenced except when it is desired to synchronize the webs.

The invention in its breeder aspects is not limited to the specific mechanisms shown and de= scribed but departures mny be made therefrom within the scope of the accompanying claims without departure from the principles of the invention and without sacrificing its chief adva-n tcges.

What I claim is:- l

1. Web renewing apparatus including in com= bination means for rotatably supporting e. run= ning web roll and a reserve web roll, motor means for driving the reserve web roll to bring it to the the running web roll and synchronizing means including a diiferential hav= ing a revoluble pinion end driven by the running web and reserve web roll, and a rheostut operated by the difierential pinion.

2. Web renewing apparatus including in com bination means for rotatubly supporting a running web roll and e. reserve web roll, motor means for driving the reserve web roll to bring it to the peripheral speed of the running web roll and synchronizing means including a differential driven by the running web and reserve web roll, o. rheostat-operated by the differential and control= ling the power supplied to the motor.

3. Web renewing apparatus including in com bination means for rotatably supporting a nun nlng web roll and a reserve web roll, means for driving the reserve web roll to bring it to the same peripheral speed as the running web roll and syn chronizing means including a differential having a. revoluble pinion and driven by the running web and reserve web roll and driving control means operated by the diflerential pinion.

4. Web renewing apparatus including in coow bination means for rototably supporting a run hing web roll and a reserve web roll, means i'or driving the reserve web roll to bring it to the some peripheral speed the running web roll and synchronizing means including o. difierential driven by the running web and reserve web roll,

5. Web renewing apparatus including in combination o. rotatable support for a running web roll and a reserve web roll and a motor driven propeller roll positioned intermediate the web rolls and having its surface intersecting the path of movement oi the suriace oi the reserve roll whereby said propeller roll is'adapted to contact with the reserve roll in one of its positions.

6, Web renewing cpporatus including in combination o. rotatable support for a running web roll and o, reserve web roll and a motor driven propeller roll mounted between the web roll ec= centricto the axis of rotation of said support.

7. Web renewing apparatus including in combination a rotatable support for a running web roll and a reserve web roll to support the reserve web roll in pasting position, a propeller roll mounted between the web rolls and positioned to contact with the reserve web roll in pasting position.

8. Web renewing apparatus iucludmg in conitubing id travelling at the same speed, the ratchet wheeh bination o. rotatable support for a running web roll and a reserve web roll to support the reserve web roll in pasting position, individual motors for ouch web roll, means for selectively rendering the reserve roll motor operative only in pasting posl- 5 tlon of the web roll, and control means controlled by the relative peripheral speed of the web rolls for controlling the speed of the motor.

ii. Web renewing apparatus including in combination a rotatable support for a running web roll and a reserve web roll to support the reserve web roll in pasting position, motor means selectlvely operable to drive the reserve web roll in pasting position and means controlled by the relative peripheral speed of the two web rolls for governing the speed oi the motor.

ill. Web renewing mechanism including in combustion a support for a reserve web roll and 9. running web roll, means for rotating the reserve web roll to bring it to the speed of the rurming web, an indicator, means for moving said indicstor accordance with the relative speed oi the web rolls and means for controlling the roll rotatlng means to vary the speed of the reserve web roll.

ll. Web combination a support for e reserve web roll and o. thinning web roll, means for rotating the reserve web roll to bring it to the speed of the running web, a differential having e. revoluble pinion and driven by the running web and reserve roll and an an indicator fixed to the pinion oi the dill'erential and movable therewith.

12. Web renewing mechanism including in combination a. support for a reserve web roll and 1a runinng web roll, a. motor to drive the reserve and reserve web roll and an indicator driven by the diflerential and a. variable rheostat for controllingthe speed M the motor. w

it. Web renewing mechanism including in combination, a support for a reserve web roll and a running web roll, a motor for rotating the reserve web roll, a variable rheostat for controlling the speed or the motor, an indicator, means for moving said indicator in accordance with the relative peripheral speed of the web rolls.

15. Web renewing mechanism including in combination, a support for a reserve web roll and a running web roll, a motor for rotating the reserve web roll, a. variable rheostat for controlling the speed of the motor, an indicator, means for moving said indicator by difierences in relative peripheral roll speeds to indicate relative web 66) speem.

it. Web renewing mechanism including in combination, a support for a reserve web roll and a running web roll, a. motor for rotating the reserve web roll, means for varying the speed at which the web roll is driven by the motor, an indicator, means for moving said indicator by ditherences in relative peripheral speeds to assist the operator in varying the roll drive.

17. Means for indicating synchronlsm be- 70 tween two web rolls including in combination a. pair of ditl'erential gears, each to be driven proportionally to the peripheral speed of a web roll, a did'erential pinion driven by said gears and on indicator driven by said pinion and movable 76 renewing mechanism including in 25 in accordance with the relative speed of the rolls.

18. Means for indicating synchronism between two web rolls including in combination a pair of differential gears, one to be driven by a nmnins web from one of the web rolls, the other to be driven by the other roll, and a differential pinion driven by the gears and revolving proportionately to the relative speed of the web and other roll.

19. Web controlling mechanism including in combination a support for a reserve web roll and a running web roll and means to indicate synchronism between said rolls including a pair of switches, means for closing said switches by movement of the reserve web and the running web, diiferentlal gearing, electro-magnetic means for selectively driving the gears 01 said dlflerential and means connecting said electro-magnetic means with said switches.

20. Web controlling mechanism including in combination a support for a reserve web roll and a running web roll and means to indicate synchronism between said rolls including contacts, means for closing certain of said contacts by the running web and others of said contacts by the reserve web, a diilerential gearing and an indicator driven thereby, solenoid operated ratchets for operating the gears of the diilerential and means (or energizing said solenoids through said contacts whereby the indicator moves in accordance with the relative speed of the webs.

21. Web controlling mechanism including in combination a support for a reserve web roll and a running web roll and means to insure synchronism between said rolls including a pair of switches, means for closing said switches by movement or the reserve web and the running web, a differential gearing and electro-magnetic means operated on closure 01' said switches to drive the gears 01' said difl'erential and web speed controlling means operated by the diflerential.

-22. Web controlling mechanism including in combination a support for a reserve web roll and arunningwebrollandmeanstoinsuresynchronism between said rolls including contacts, means for closing certain of said contacts by the running web and others at said contacts by the means for energizing said solenoids through said contacts whereby the indicator moves in accordanee with the relative speed of the webs, and web I speme:l controlling means operated by the differen 23. Web controlling. mechanism including in combination a support for a reserve web roll and a running web roll and means to indicate synchronism between said rolls including a member to be moved the running web, a member to be moved in accordance with the speed of the reserve web, a reserve web speed control and means actuating said speed control in accordance with the algebraic sum of the movement 0! said members.

24. Web renewing apparatus including in combination means for rotatably supporting a running web roll and a ruerve web roll, means for driving the reserve web roll to bring it to the same peripheral speed as the running web roll and synchronizing means including a differential having a revoluble pinion and electrically driven by the running web and reserve web roll driving control means and means for operating said control by the diflerential pinion.

25. Web renewing apparatus including in combination a rotatable support for a running web roll and a reserve web roll to support the reserve web roll in pasting position, means for drivin the reserve web roll in pasting position, means for governing the speed at which the reserve web roll is driven and means for electrically controlling said governing means by the speed of the 28. Web renewing mechanism including in combination a support for a reserve web roll and in accordance with the speedof.

a running web roll, means for rotating the re- 0 serve web roll at the speed of the running web,

an indicator, means for moving said indicator in accordance with the relative peripheral speed of the web mils and electrical means for eilectins movement of said indicator.

HOBART N. DURHAM. 

